Compliance

The extent to which a person’s behavior (in terms of taking medication, following diets, or executing lifestyles changes) coincides with medical or health  advice. Improving Compliance with Alcoholism Treatment

Etymology
Ital. (Lat. complere) complire fulfil

Example
The differences in compliance between these patients and those who were followed up elsewhere were not significant Compliance With Treatment In Schizophrenia

Related
Anti bribery compliance Public compliance: prevención de la corrupción en administraciones públicas

Compliance officer

Compliance rate

Poor compliance

Tax compliance

Treatment compliance

Medication adherence Improving Patient Treatment Adherence: A Clinician's Guide